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Cast bullets as cast (left), with gas check (center) and lubricated (right). A gas check is a gasket type component of firearms ammunition. Gas checks are used when non-jacketed bullets are used in high pressure cartridges. The use of a gas check inhibits the buildup of lead in the barrel and improves accuracy. [1]
An open single-cavity bullet mold and a closed two-cavity mold. A cast bullet is made by allowing molten metal to solidify in a mold.Most cast bullets are made of lead alloyed with tin and antimony; but zinc alloys have been used when lead is scarce, and may be used again in response to concerns about lead toxicity.
Another consideration in choosing a bullet for hunting is the velocity window of the bullet. For example, the 500-grain (32 g) Woodleigh soft point is designed to expand at .470 Nitro Express velocities (2150 fps), and if pushed to the 2,400 ft/s (730 m/s) potential of the .470 Capstick, the Woodleigh will tend to expand very quickly and ...
A projectile closely fitting the throat dimensions greatly enhances the cast bullet performance of this cartridge. Those writers and publications citing the inability of the .444 Marlin's micro-groove barrel to accurately shoot cast bullets driven over 1,600 ft/s (490 m/s) are simply in error, in that those results were largely obtained using ...
Suitable .358 in (9.1 mm) bullets range in weight from 150 to 300 grains (9.7 to 19.4 g). Using a 250-grain (16 g) bullet, the .35 Whelen will generate 3,500 ft⋅lbf (4,700 J) at the muzzle from a 24 in (61 cm) barrel. The .35 Whelen is not the ballistic twin of the .350 Remington Magnum and falls about 500 foot-pounds short. With the correct ...
(Left: .50 Alaskan, Right: .50-110 Winchester) The largest commercially produced revolver: Smith & Wesson Performance Center Model 500 built on the company's X-Frame. This one has a 7.5 inch barrel. Bullet weights for commonly available ammunition vary from 275 to 500 grains; heavier custom cast bullets up to 700 grains for reloading are available.
[26] [9] The s.S. ball projectile with a 5.9 millimetres (0.23 in) long 6° 25′ 51″ boat tail was designed for long range use and offered the best aerodynamic efficiency and external ballistic performance of any standard rifle bullet used during World War II, with a G1 ballistic coefficient between 0.593 and 0.557 (ballistic coefficients ...
Depending upon the resources to which one has access, the ideal balance in terms of trajectory is typically found with 130–150 grain copper bullets, 135–165 grain copper jacketed bullets, and 150–190 grain cast or swaged lead bullets.